DR. MARK A GIRZADAS MD
NPI 1992842272
Internal Medicine - Cardiovascular Disease in Milwaukee, WI

Q: What is Mark Girzadas's NPI number?

The NPI number for Mark Girzadas is 1992842272. It was assigned to this individual provider in the NPPES registry on January 30, 2007.

Q: What is Mark Girzadas's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Q: When was this NPI record last updated?

The NPPES record for Mark Girzadas was last updated on July 7, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since January 30, 2007PECOS EnrolledAccepts Medicare Assignment

960 N 12TH ST, MILWAUKEE, WI 53233(414) 219-7434(414) 219-6494 Get Directions Write a Review

NPPES record last updated: July 7, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 7, 2025, Nov 22, 2021, Feb 15, 2018 (3 updates tracked since 2018).

On this page

About Dr. Mark A Girzadas Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARK A GIRZADAS MD (NPI 1992842272) is an individual cardiovascular disease provider in Milwaukee, Wisconsin, licensed in Wisconsin (54058020) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, is affiliated with Aurora St Lukes Medical Center, and is a graduate of Other (2004).

NPPES Registry Identity

NPI1992842272

Entity TypeIndividualMale

Primary Taxonomy207RC0000X

Provider Legal NameDR. MARK A GIRZADASCredential: MD

Location Address960 N 12TH STMilwaukee, WI 53233-1306

Mailing AddressPo Box 735044Chicago, IL 60673-5044 · (800) 326-2250

Phone(414) 219-7434

Fax(414) 219-6494

Sole ProprietorYes

Medical School CMSOtherGraduated 2004

Enumeration DateJanuary 30, 2007

Last NPPES UpdateJuly 7, 20253 updates tracked since enumeration

NPPES CertifiedJuly 7, 2025

✔ NPI 1992842272 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

License✔ Licensed in WI · 54058020

Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

960 N 12TH ST, Milwaukee, WI 53233

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Other Identifiers 1

Medicaid100010530WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare) and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Mark A Girzadas Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6103941687

PECOS Enrollment IDI20100921000981

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 15

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

296 services294 patients

Heart muscle strain imaging 93356

Heart muscle strain imaging is a non-invasive test that uses sound waves to create pictures of your heart. It helps doctors evaluate how well your heart muscle is working and detect any damage or disease. This can aid in diagnosing heart conditions and guiding treatment plans.

143 services141 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

87 services84 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

80 services51 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

62 services61 patients

Ultrasound of heart, follow-up 93308

A follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.

60 services55 patients

Nuclear medicine studies of heart muscle at rest and with stress and spect 78452

Nuclear medicine studies of the heart involve two parts: rest and stress. During rest, images are taken of your heart at ease. During stress, images are taken after exercise or medication-induced stress. SPECT is a special imaging technique providing 3D pictures of your heart, helping identify any issues.

56 services56 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 93018

An exercise or drug-induced heart stress test with ECG is a procedure to assess how your heart functions under stress. It can involve exercising or medication to make your heart work harder while an ECG records its activity. A physician reviews the results.

55 services55 patients

Ultrasound of heart with color-depicted blood flow, rate and valve function 93325

An ultrasound of the heart, also known as an echocardiogram, uses sound waves to create pictures of your heart. It shows the structure, movement, and blood flow within your heart. This helps assess the heart's health and function, including the valves and rate.

55 services50 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician 93016

An exercise or drug-induced heart stress test with ECG involves monitoring your heart's activity while it's under stress, either from exercise or medication. A doctor supervises the entire procedure to ensure safety and accuracy in results. This test helps detect heart problems.

54 services54 patients

Ultrasound of heart blood flow, valves and chambers, follow-up 93321

This procedure, an echocardiogram, uses sound waves to create images of your heart. It aids in assessing your heart's blood flow, chambers, and valves. It's a follow-up procedure, ensuring that your heart is functioning properly post-treatment.

53 services48 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

40 services40 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

27 services17 patients

Heart muscle strain imaging 93356

25 services25 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

19 services17 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Aurora St Lukes Medical Center

Acute Care Hospitals · Milwaukee, WI

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520138

Location2900 W Oklahoma AveMilwaukee, WI 53215 · Milwaukee County

Emergency services Birthing friendly

West Allis Memorial Hospital

Acute Care Hospitals · West Allis, WI

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520139

Location8901 W Lincoln AveWest Allis, WI 53227 · Milwaukee County

Emergency services Birthing friendly

Aurora Medical Center

Acute Care Hospitals · Grafton, WI

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520207

Location975 Port Washington RoadGrafton, WI 53024 · Ozaukee County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53233 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$123.69 typical visit price

range $53.90 – $163.24

Typical copayment $30.92 (range $13.47 – $40.81)

Most-billed visit code 99204

Established Patient

$67.37 typical visit price

range $17.40 – $133.76

Typical copayment $16.84 (range $4.35 – $33.44)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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Other Providers at the Same Location NPPES 11

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

IJAZ A MALIK MD

Internal Medicine (Cardiovascular Disease)

960 N 12TH ST, SUITE 400
MILWAUKEE, WI 53233

Milwaukee County (414) 219-7653

MR. NICHOLAS KNOERNSCHILD PA-C

Physician Assistant (Surgical)

960 N 12TH ST, SUITE 1800
MILWAUKEE, WI 53233

Milwaukee County (414) 278-9000

MELANIE CASTLE PA-C

Physician Assistant (Surgical)

960 N 12TH ST, SUITE 1800
MILWAUKEE, WI 53233

Milwaukee County (414) 278-9000

MELISSA PERSINGER

Nurse Practitioner

960 N 12TH ST
MILWAUKEE, WI 53233

Milwaukee County (353) 041-4649

JESSICA TJADEN FNP-BC

Nurse Practitioner (Family)

960 N 12TH ST, SUITE 1800
MILWAUKEE, WI 53233

Milwaukee County (414) 278-9000

KELLEY E FARNSWORTH PA-C

Physician Assistant (Surgical)

960 N 12TH ST, SUITE 1800
MILWAUKEE, WI 53233

Milwaukee County (414) 278-9000

V S MURTHY MD

Internal Medicine (Cardiovascular Disease)

960 N 12TH ST, STE 400
MILWAUKEE, WI 53233

Milwaukee County (414) 219-7653

KRISTIN ANN SKORACZEWSKI PA C

Physician Assistant (Surgical)

960 N 12TH ST, SUITE 1800
MILWAUKEE, WI 53233

Milwaukee County (414) 278-9000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mark Girzadas's NPI number?

The NPI number for Mark Girzadas is 1992842272. It was assigned to this individual provider in the NPPES registry on January 30, 2007.

Where is Mark Girzadas located?

Mark Girzadas practices at 960 N 12th St, Milwaukee, WI 53233. The listed phone number is (414) 219-7434.

What is Mark Girzadas's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Mark Girzadas enrolled in Medicare?

Yes. Mark Girzadas is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Mark Girzadas accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare), HealthPartners and Quartz list Mark Girzadas as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Mark Girzadas affiliated with any hospitals?

According to CMS data, Mark Girzadas is affiliated with Aurora St Lukes Medical Center, West Allis Memorial Hospital and Aurora Medical Center.

When was this NPI record last updated?

The NPPES record for Mark Girzadas was last updated on July 7, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.